Perhaps you should try some spelling variations:
"python using java snippets" » "python using data snippets"
"cho can danh slippers" » "cho van danh slippers", "cho cao danh slippers", "cho cau danh slippers", "cho cac danh slippers", "cho phan danh slippers", "cho cong danh slippers", "cho can danh slippery", "cho can danh grippers"
"locating bug code snippets" » "locating bung code snippets", "locating bugs code snippets", "locating bug core snippets"

Try widening your search to All Fields.

You may be able to get more results by adjusting your search query.

• Performing a fuzzy search may retrieve terms with similar spellings: (((("cho can danh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))~.
• If you are trying to use Boolean operators, they must be ALL CAPS: (((("cho can danh slippers") OR ("python using java snippets"))) OR ("locating bug code snippets")).
• Removing quotes may allow a broader search: (((( cho can danh slippers ) or ( python using java snippets ))) or ( locating bug code snippets )).
• Adding a wildcard symbol may retrieve word variants: (((("cho can danh slippers") or ("python using java snippets"))) or ("locating bug code snippets"))*.